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【单选题】
面积不为零的平面图形对于形心轴的( )为零。A.
B.
惯性矩
C.
惯性半径
D.
惯性积
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举一反三
【简答题】Part III Reading Task 5 58.(__)59.(__)60.(__)61.(__)62.(__)
【单选题】It is not (surprised) that Mr. Smith got no help when he (fell ill). He wasn't (on) good terms with anyone in the (neighbourhood).
A.
surprised
B.
fell ill
C.
on
D.
neighbourhood
【单选题】He could have finished it on , but he was ill last week and that was why he fell behind.
A.
schedule
B.
disadvantage
C.
purpose
D.
timetable
【单选题】He was caught in the rain yesterday ______, he fell ill this morning.
A.
on the contrary
B.
in contrast
C.
in other words
D.
as a result
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